@misc{indiciae956aa7be4868,
  title = {Preliminary map showing the thickness of glacial deposits in Ohio},
  author = {D. R. Soller},
  year = {1986},
  doi = {10.3133/mf1862},
  url = {https://pubs.usgs.gov/publication/mf1862},
  note = {Source identifier: mf1862}
}